Sheridan Company purchased a new machine on October 1, 2022 at a cost of $83,200. The company estimated that the machine has a salvage value of $6,400. The machine is expected to be used for 64,000 working hours during its 8-year life. Compute depreciation using the following methods in the year indicated. Straight-line for 2022 and 2023, assuming a December 31 year-end. (Round answers to decimal place, e.8. 1520.) 2022 2023 $ Straight-line method $ Declining balance using double the straight-line rate for 2022 and 2023. 2022 $ 2023 $ Declining-balance method Units-of-activity for 2022, assuming machine usage was 3,770 hours. (Round depreciation per unit to the nearest cent.) Units-of-activity method 2022 $